5 INTERRUPT CONTROLLER (ITC)
5-2
Seiko Epson Corporation
S1C17M20/M21/M22/M23/M24/M25
TECHNICAL MANUAL (Rev. 1.0)
Vector number/
Software interrupt
number
Vector address Hardware interrupt name
Hardware interrupt flag
Priority
4 (0x04)
TTBR + 0x10 Supply voltage detector
interrupt
Low power supply voltage detection
High
*
1
↑
5 (0x05)
TTBR + 0x14 Port interrupt
Port input
6 (0x06)
TTBR + 0x18
reserved
–
7 (0x07)
TTBR + 0x1c Clock generator interrupt
• IOSC oscillation stabilization waiting completion
• OSC1 oscillation stabilization waiting completion
• OSC3 oscillation stabilization waiting completion
• OSC1 oscillation stop
• IOSC oscillation auto-trimming completion
8 (0x08)
TTBR + 0x20 Real-time clock interrupt
• 1-day, 1-hour, 1-minute, and 1-second
• 1/32-second, 1/8-second, 1/4-second, and 1/2-second
• Stopwatch 1 Hz, 10 Hz, and 100 Hz
• Alarm
• Theoretical regulation completion
9 (0x09)
TTBR + 0x24 16-bit timer Ch.0 interrupt
Underflow
10 (0x0a)
TTBR + 0x28 UART Ch.0 interrupt
• End of transmission
• Framing error
• Parity error
• Overrun error
• Receive buffer two bytes full
• Receive buffer one byte full
• Transmit buffer empty
11 (0x0b)
TTBR + 0x2c 16-bit timer Ch.1 interrupt
Underflow
12 (0x0c)
TTBR + 0x30 Synchronous serial interface
Ch.0 interrupt
• End of transmission
• Receive buffer full
• Transmit buffer empty
• Overrun error
13 (0x0d)
TTBR + 0x34 I
2
C interrupt
• End of data transfer
• General call address reception
• NACK reception
• STOP condition
• START condition
• Error detection
• Receive buffer full
• Transmit buffer empty
14 (0x0e)
TTBR + 0x38 16-bit PWM timer Ch.0
interrupt
• Capture overwrite
• Compare/capture
• Counter MAX
• Counter zero
15 (0x0f)
TTBR + 0x3c 16-bit PWM timer Ch.1
interrupt
• Capture overwrite
• Compare/capture
• Counter MAX
• Counter zero
16 (0x10)
TTBR + 0x40 UART Ch.1 interrupt
• End of transmission
• Framing error
• Parity error
• Overrun error
• Receive buffer two bytes full
• Receive buffer one byte full
• Transmit buffer empty
17 (0x11)
TTBR + 0x44 Sound generator interrupt
• Sound buffer empty
• Sound output completion
18 (0x12)
TTBR + 0x48 IR remote controller interrupt • Compare AP
• Compare DB
19 (0x13)
TTBR + 0x4c
reserved
–
20 (0x14)
TTBR + 0x50 R/F converter Ch.0 interrupt • Reference oscillation completion
• Sensor A oscillation completion
• Sensor B oscillation completion
• Measurement counter overflow error
• Time base counter overflow error
21 (0x15)
TTBR + 0x54 R/F converter Ch.1 interrupt • Reference oscillation completion
• Sensor A oscillation completion
• Sensor B oscillation completion
• Measurement counter overflow error
• Time base counter overflow error
22 (0x16)
TTBR + 0x58 16-bit timer Ch.2 interrupt
Underflow